CA997878A - Main distribution frame-mounted central office subscriber carrier channel unit shelf - Google Patents

Main distribution frame-mounted central office subscriber carrier channel unit shelf

Info

Publication number
CA997878A
CA997878A CA182,413A CA182413A CA997878A CA 997878 A CA997878 A CA 997878A CA 182413 A CA182413 A CA 182413A CA 997878 A CA997878 A CA 997878A
Authority
CA
Canada
Prior art keywords
central office
channel unit
distribution frame
carrier channel
main distribution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA182,413A
Other versions
CA182413S (en
Inventor
Gene L. Stumpf
Donald G. Tweed
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GTE Automatic Electric Laboratories Inc
Original Assignee
GTE Automatic Electric Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GTE Automatic Electric Laboratories Inc filed Critical GTE Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of CA997878A publication Critical patent/CA997878A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/14Distribution frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/035Cooling of active equipments, e.g. air ducts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/06Cable ducts or mountings specially adapted for exchange installations
    • H04Q1/066Cable ducts or mountings specially adapted for exchange installations arranged on the front side

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
CA182,413A 1972-10-04 1973-10-02 Main distribution frame-mounted central office subscriber carrier channel unit shelf Expired CA997878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29505572A 1972-10-04 1972-10-04

Publications (1)

Publication Number Publication Date
CA997878A true CA997878A (en) 1976-09-28

Family

ID=23136024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,413A Expired CA997878A (en) 1972-10-04 1973-10-02 Main distribution frame-mounted central office subscriber carrier channel unit shelf

Country Status (2)

Country Link
US (1) US3801873A (en)
CA (1) CA997878A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942077A (en) * 1974-04-11 1976-03-02 Modicon Corporation Modular panel construction for programmable controller and frame therefore
NL7808721A (en) * 1978-08-24 1980-02-26 Philips Nv RECORDING DEVICE FOR ELECTRICAL SIGNAL TRANSMISSION TECHNOLOGY UNITS.
US4204095A (en) * 1978-12-28 1980-05-20 Porta Systems Corp. Telephone main distributing frame
JP2522473Y2 (en) * 1991-06-10 1997-01-16 日本電気株式会社 Electronic device housing structure
US6438226B1 (en) * 1997-10-06 2002-08-20 Ccs Holdings, Inc. XDSL splitter assembly for main distribution frame
PL3465311T3 (en) * 2016-06-06 2023-10-23 Corning Optical Communications LLC Telecommunications closure with point of connection plate holders

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014160A (en) * 1958-10-01 1961-12-19 Morris H Brogden Plug-in chassis assembly
US3364395A (en) * 1965-01-26 1968-01-16 Burroughs Corp Modular data processing apparatus including heat dissipating means
US3482143A (en) * 1967-12-11 1969-12-02 Square D Co Unit mounting pan for an electrical enclosure structure
US3541395A (en) * 1968-11-15 1970-11-17 Lockheed Aircraft Corp Aviation rack with cooling ducts
US3705377A (en) * 1970-12-21 1972-12-05 Bell Telephone Labor Inc Receptacle for snap-in mounting of connectors

Also Published As

Publication number Publication date
US3801873A (en) 1974-04-02

Similar Documents

Publication Publication Date Title
CA922408A (en) System of telecommunications whereby a number of subscribers use the available channels in common
CA973984A (en) Telephone looptest system
CA1000660A (en) Shelf support clip
CA1031061A (en) Telecommunications receivers
CA997878A (en) Main distribution frame-mounted central office subscriber carrier channel unit shelf
CA1002214A (en) Time division multiplex network switching unit
CA989484A (en) Single channel communication system
CA998150A (en) Telephone switching system
CA1032256A (en) Telephone exchange metering system
CA1004341A (en) Distributing frame
CA1019368A (en) Appliance holders
CA1020655A (en) Multiple stage telecommunications switching network
CA36976S (en) Main distribution frame-mounted central office subscriber channel unit shelf
CA1003086A (en) Time-space-time division switching network
CA1035476A (en) Telephone subscriber distribution system
CA1006240A (en) Connector block for telephone central office main distributing frame
CA1003133A (en) Time sharing subscriber communications system
CA951004A (en) Telecommunication system with time division multiplex
AU4073672A (en) Subscriber carrier telephone system
CA972537A (en) Cabinet clip
CA952632A (en) Back support
AU456607B2 (en) Telecommunication system with time 1 division multiplex
AU463300B2 (en) Telecommunication system with time division multiplex
AU453824B2 (en) Telecommunication system with time division multiplex
AU489069B2 (en) Connector block for telephone central office main distributing frame